Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Phillip S. Key, MD

Individual provider Otolaryngology Physician · NPI 1780784355

Phillip S. Key, MD is an Otolaryngology in Billings, Montana. Graduated from Harvard Medical School in 1988, 38 years ago. Practices with Billings Clinic, a 805-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Montana.

Years since qualifying
38
Trained at
Harvard Medical School
Licensed in
MT
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

801 N 29th St
Billings, MT 59101-0905
Phone: (406) 238-2500
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence 7887 (MT)

Record details

NPI number1780784355
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 24, 2006
Last updated in NPPESFebruary 22, 2022
Certification dateFebruary 22, 2022

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOTOLARYNGOLOGY
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 1988 (38 years in practice)
Group practice Billings Clinic — 805 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

Other providers in Billings